“Zhucheng Green Tea” produced in Zhucheng City of Shandong Province is a high-quality product of the northernmost tea production base in China. It has the characteristics of fresh green soup, fresh alcohol, rich chestnut, no bitterness, sweet aftertaste and anti-infusion. It is rich in amino acid tea polyphenols, catechins and various minerals and inorganic elements. Among them, the content of K, Mg and Fe is high, which has a good inhibitory effect on hypertension, diabetes and cancer. The content of beneficial element Se is more than 6 times higher than that of Se-rich tea in western Hubei, and it is honored as “the miraculous element of life”.